Story
Hiroshi Kuroyanagi, a boorish failure of an elementary school teacher, is blackmailed by his student Rika Sakuma, a girl with demonic intelligence, into a wild scheme to rob the school of a hidden fortune worth tens of millions of yen.

Lies, cheating, and betrayal...students and teachers struggle against one another for dominance in this suspenseful thriller.

Who will come out on top and claim the schools hidden fortune?

This is a visual mystery novel for all gentleman and gentlewoman who love little girls!
　Characters
Rika Sakuma
A fourth grade girl who, despite her antisocial tendencies, is very intelligent. She uses her impish cunning to bend adults to her whim. After discovering Hiroshi’s dark secret, she uses it against him to recruits him into a heist scheme.
Job: 4th grade elementary school student
Age: 9
Symbol: Heart
Voice: 紗友(Sayu)

Hiroshi Kuroyanagi
An incompetent school teacher who is looked down on by both colleagues and students alike.
He has a severe case of Lolita complex and has even gone as far as to set up hidden cameras in the school bathrooms. He has fallen straight into the main heroines trap, but is such a sick weirdo that he’s actually enjoying it.
Job: 4th Grade Teacher
Age: 25
Symbol: Joker

Noriko Kazami
An honor student who is obsessed with upholding justice and order within the school. She enjoys taking notes about problem children (mainly Akira) in her own notebook.
Job: 4th grader, Hall Monitor, and Class Rep.
Age: 9
Symbol: Spade
Voice: 遠藤茉愛(Mame Endou)

Akira Shidou
A wild and energetic girl with a blatant disdain for the school dress code. A trouble maker to the core, she is always looking for a quick buck and is apt to skip class and play cards.
Job: 4th grader
Age: 10
Symbol: Diamond
Voice: 犬飼あお(Ao Inukai)

Misa Tachibana
An absent-minded girl who always has a big smile on her face even when she doesn’t understand what’s going on around her.
She loves wearing her cute and stylish school uniform.
Job: 1st year junior high school student
Age: 12
Symbol: Clover
Voice: 小山ハル(Haru Koyama)

Jinguji
A young elementary school principal who is popular among parents for his squeaky clean image. The truth however is that he is a greedy, power hungry cheat who is preparing to announce a candidacy for town mayor.
Job: Elementary School Principal
Age: 32
Symbol: KingFeatures

Narrative based visual novel game.
15000 (Japanese)characters of total text.
Fully voiced female characters (Japanese)
Cute heroines each with their own unique personalities.

The Key to Home / いえのかぎ screenshots